Cylindrical battery employing a separator having a protruding pa

Details Cylindrical battery employing a separator having a protruding pa Cylindrical battery employing a separator having a protruding pa

1997-12-29

1999-12-07

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429143, 429247, H01M 218

Patent

active

059980591

ABSTRACT:
A battery electrode separator having a protrusion includes a rectangular band and a protruding part with a width and height at one end of and transverse to the band. A cylindrical alkaline battery employs the separator. Since the separator having a protrusion is made of a flexible material, such as a nonwoven fabric or a porous resin film, anode and cathode plates are not damaged during beading and crimping processes in manufacturing the battery. Thus, inferiority and lower performance of a battery can be prevented. Since an additional process for inserting the upper insulator is not required, the manufacturing process if simplified, lowering manufacturing costs.

REFERENCES:
patent: 963216 (1910-07-01), Flanders
patent: 4539273 (1985-09-01), Goebel
patent: 5445906 (1995-08-01), Hobson et al.
patent: 5478362 (1995-12-01), Oota et al.
patent: 5593462 (1997-01-01), Gueguen et al.

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